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Federal Register / Vol. 86, No. 160 / Monday, August 23, 2021 / Rules and Regulations flight i.e., latent failures. The applicant may address this condition through safety assessments and incorporation of prevention strategies into its design. The operation addressed by Condition 2
includes all operation of the system, whether intentional, inadvertent, or automatic.
Markings, instructions, and other information. Conditions 3, 4, and 5 are intended to protect certain categories of persons based upon their expected interaction with the system. These conditions require the design to supply certain safety information to these persons.
Condition 3 requires the design to provide pertinent laser-safety information to maintenance and service personnel at the location of the installation. At a minimum, such pertinent information will include information about potential hazards to persons who are using optical magnification devices, such as magnifying glasses or binoculars. The warning information should be consistent with the lasers classification in 21 CFR 1040.
Condition 4 requires the airplane instructions for continued airworthiness to contain the appropriate warnings related to the lasers classification. Like the warning information to be provided at the location of the laser systems installation, the purpose of this condition is to ensure any person maintaining the system is aware of the hazards, including those related to the use of magnifying glasses or binoculars.
Condition 5 requires the applicant to update the airplane operating limitations and information required under 14 CFR 25.1581. The airplane flight-manual supplement insert must describe the intended function of the LAIRCM system, its intended operation, and the phases of flight in which it may be used. The insert also must add a caution that describes the significant risk of injury the LAIRCM system poses to others while in proximity to other aircraft, airports, and populated areas.
These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.
These special conditions, and the corresponding supplemental type certificate for the installation of this system, do not constitute approval to operate the system. FAA Advisory Circular 701, Outdoor Laser Operations, provides guidance on obtaining operational approval.

VerDate Sep<11>2014

16:11 Aug 20, 2021

Jkt 253001

Discussion of Comments The FAA issued Notice of Proposed Special Conditions No. 252102SC
for the Bombardier Model CL6002B16
airplane, as modified by Pro Star Aviation, which was published in the Federal Register on June 24, 2021 86
FR 33147. The FAA received one comment supporting the proposed special conditions as they apply to the installation of a LAIRCM system . . .
on the specific model of aircraft.
Applicability As discussed above, these special conditions are applicable to the Bombardier Model CL6002B16
airplane with the Pro Star Aviation LAIRCM system installed. Should Pro Star Aviation apply at a later date for a supplemental type certificate to modify any other model included on Type Certificate No. A21EA to incorporate the same novel or unusual design feature, these special conditions would apply to that model as well.
Conclusion This action affects only a certain novel or unusual design feature on one model of airplane. It is not a rule of general applicability and affects only the applicant.
List of Subjects in 14 CFR Part 25
Aircraft, Aviation safety, Reporting and recordkeeping requirements.
Authority Citation The authority citation for these special conditions is as follows:

damage, or through distraction or incapacitation of crew.
3. Laser-safety information for maintaining or servicing the airplane must be prominently placarded on the airplane or LAIRCM system at the location of the laser installation.
4. Instructions for continued airworthiness for installation, removal, and maintenance of the LAIRCM system must contain warnings appropriate to the laser classification concerning the hazards associated with exposure to laser radiation. This includes instructions regarding potential hazards to personnel who are using optical magnification devices such as magnifying glasses or binoculars.
5. The airplane flight manual supplement AFMS must describe the intended functions of the installed laser systems, to include identifying the intended operations and phases of flight. The AFMS must state:
CAUTION: The operation of the installed laser system could pose significant risk of injury to others while in proximity to other aircraft, airports, and populated areas.
Issued in Washington, DC, on August 17, 2021.
Erik Brown, Acting Manager, Systems Policy Branch, Policy and Innovation Division, Aircraft Certification Service.
FR Doc. 202117979 Filed 82021; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION

Authority: 49 U.S.C. 106f, 106g, 40113, 44701, 44702, 44704.

Federal Aviation Administration
The Special Conditions Accordingly, pursuant to the authority delegated to me by the Administrator, the following special conditions are issued as part of the type certification basis for the Bombardier Model CL6002B16 airplane with the LAIRCM system, as modified by Pro Star Aviation.
1. The system must have means that prevent the inadvertent activation of the system on the ground, including during airplane maintenance and ground handling. Such means must address all foreseeable failure modes and operating and maintenance errors.
2. The system must be designed so that its operation in-flight does not result in damage to the airplane or other aircraft, or injury to any person.
Operation of the system must not be capable of compromising continued safe flight and landing of other aircraft and the airplane on which it is installed, either by direct damage, laser-reflective
14 CFR Part 39

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Docket No. FAA20210373; Project Identifier MCAI202001352R; Amendment 3921668; AD 20211606
RIN 2120AA64

Airworthiness Directives; Leonardo S.p.a. Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is superseding Airworthiness Directive AD 202019
11 for certain Leonardo S.p.a. Model A119 and AW119 MKII helicopters. AD
20201911 required repetitive borescope inspections of the 90-degree tail rotor gearbox TGB and depending on the inspection results, removing the TGB from service. This AD was prompted by the determination that additional parts may be susceptible to the unsafe condition. This AD retains
SUMMARY:

E:FRFM23AUR1.SGM

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